Have you tried the VMWare Player?
If you’re new to VMware or virtualization VMware Player is a good place to start getting your feet wet and testing how it works.
VMware Player is a free download from VMware. You can’t create virtual machines with Player, but you can find all kinds of community-contributed virtual appliances on VMware’s [...]

VMWare just announced the general availability of VMware Converter 3.0
VMware Converter lets you convert physical machines to virtual machines while they are still running. This is truly incredible. The virtualization of your server farm is now a pretty simple affair, Not only that, think of the potential of cloning a physical machine [...]